OKLAHOMA CITY (AP) — A lawsuit alleges the removal of a sales tax exemption on vehicles sold in Oklahoma is unconstitutional.

The lawsuit filed Friday by the Oklahoma Automobile Dealers Association, an auto dealership and an individual alleges the removal of a 1.25 percent exemption on auto sales didn't receive the state constitutionally required 75 percent vote in both houses of the Legislature on revenue raising bills.

The bill passed during the last week of the session on a 52-24 vote in the House and a 25-18 vote in the Senate as lawmakers sought to close an $878 million budget hole. It wa...